Home / 3,315,743.25-4,973,614.61-919,587.86

Finding the Fourth Proportional to 3,315,743.25, 4,973,614.61 and 919,587.86

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Solution

The fourth proportional to 3,315,743.25, 4,973,614.61 and 919,587.86 is: 1,379,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,743.25 : 4,973,614.61 = 919,587.86 : x
  2. Step 2: Convert to fraction form
    3,315,743.25/4,973,614.61 = 919,587.86/x
  3. Step 3: Cross multiply
    3,315,743.25x = 4,973,614.61 × 919,587.86
  4. Step 4: Simplify right side
    3,315,743.25x = 4,573,675,586,208.62
  5. Step 5: Solve for x
    x = 4,573,675,586,208.62/3,315,743.25
  6. Step 6: Final answer
    x = 1,379,381.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.